Sit on the Right side of the plane for the best views on flights from Honolulu to Ontario. Right side wins for takeoff's dramatic Ko'olau views, which are more visually distinctive than the landing approach. The windward Oahu cliffs and bay system are more striking than the San Gabriel Mountains approach.

During takeoff from Honolulu International (HNL), sit on the Right side for the best views. Right-side seats capture the Ko'olau mountain range and windward Oahu's dramatic cliffs as you climb northeast from runway 08L/R. The left side shows only open ocean and the leeward coast. Notable sights include: Ko'olau mountain range (jagged ridgeline running north-south), Kailua Bay and windward beaches, Pali Notch (distinctive saddle in the ridge), Kaneohe Bay to the north.

When landing at Ontario International (ONT), sit on the Left side for the best views. Left-side seats provide views of the San Gabriel Mountains and the inland valley approach to Ontario. Descending from the northeast, you'll see the mountains' southern face and the sprawling Los Angeles basin. Right side faces only developed flatland. Notable sights include: San Gabriel Mountains (snow-capped peaks visible in winter, brown ridges in summer), San Bernardino Valley floor, Cajon Pass (notch in the mountain range to the north), sprawling suburban development of the Inland Empire.

The flight from Honolulu International (HNL) to Ontario International (ONT) takes Approximately 5 hours 15 minutes.

The flight path crosses the open North Pacific Ocean for roughly 2,000 nautical miles. No significant landmarks are visible during the midpoint cruise phase—only open ocean. As you approach the California coast near Point Conception and the Santa Barbara Channel, the California coastline becomes visible, followed by the Sierra Nevada mountains to the east. The descent path brings views of the Tehachapi Mountains and then the San Gabriel range before landing at Ontario.